package lab02.Test32;

import java.util.HashMap;
import java.util.Map;

/**
 * Created by ASUS on 2017/11/9.
 */
public class Test {
    public static void main(String[] args) {
        Map<String,String> person= new HashMap<>();
        person.put("id","1");
        person.put("name","张三");
        person.put("gender","男");
        person.put("age","25");
        person.put("love","爱学JAVA");

        for(Map.Entry<String,String>entry : person.entrySet()){
            System.out.println(entry.getKey() + "," +entry.getValue());
        }
        System.out.println("map集合的大小是："+ person.size());


        for(Map.Entry<String,String>entry:person.entrySet()){
            if (entry.getKey().equals("age")){
                person.remove(entry.getKey());
            }
        }
        System.out.println("map集合的大小是：" + person.size());



    }
}
